Red Hat Enterprise Virtualization 2.2 exec.c subpage_register access control
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.8 | $0-$5k | 0.00 |
A vulnerability was found in Red Hat Enterprise Virtualization 2.2 (Virtualization Software) and classified as critical. Affected by this issue is the function subpage_register
of the file exec.c. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:
The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS users to cause a denial of service (guest OS crash) or possibly gain privileges via unspecified vectors.
The weakness was shared 08/24/2010 (Website). The advisory is shared for download at rhn.redhat.com. This vulnerability is handled as CVE-2010-2784. The attack needs to be approached locally. A simple authentication is needed for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/23/2021). The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability scanner Nessus provides a plugin with the ID 48910 (CentOS 5 : kvm (CESA-2010:0627)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155627 (Oracle Enterprise Linux Update for KVM (ELSA-2010-0627)).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Tenable (48910). The entries 54463 and 54462 are related to this item.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.8
VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
ATT&CK: T1068
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 48910
Nessus Name: CentOS 5 : kvm (CESA-2010:0627)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/22/2010 🔍08/20/2010 🔍
08/24/2010 🔍
08/24/2010 🔍
08/24/2010 🔍
09/06/2010 🔍
03/19/2015 🔍
09/23/2021 🔍
Sources
Vendor: redhat.comAdvisory: RHSA-2010:0627
Status: Not defined
Confirmation: 🔍
CVE: CVE-2010-2784 (🔍)
OVAL: 🔍
Vulnerability Center: 27006 - Red Hat Enterprise Virtualization 2.2 and KVM 83 Allows Dos or Privileges Escalation, Medium
SecurityFocus: 42579 - QEMU KVM 'exec.c:subpage_register()' Memory Corruption Vulnerability
See also: 🔍
Entry
Created: 03/19/2015 14:37Updated: 09/23/2021 18:18
Changes: 03/19/2015 14:37 (56), 03/03/2017 15:56 (9), 09/23/2021 18:10 (5), 09/23/2021 18:18 (2)
Complete: 🔍
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